Bitumen 70/28

Bitumen PG 70/28

Understanding Bitumen PG 70/28

Bitumen PG 70/28 is a high-quality paving-grade bitumen known for its superior performance in various applications. As a versatile binder, it plays a crucial role in the construction industry, offering excellent adhesion, durability, and flexibility.

Applications of Bitumen PG 70/28 in Road Construction

It is widely used in road construction projects due to its exceptional properties. Bitumen PG 70/28 is serves as a vital component in asphalt mixtures, providing stability and resistance to heavy traffic loads. Whether it’s highways, streets, or airport runways, this grade of bitumen ensures long-lasting and reliable infrastructure.

Enhancing Asphalt Mixtures

One of the key benefits of Bitumen PG 70/28 is its ability to enhance the performance of asphalt mixtures. By incorporating this high-grade binder, engineers can improve the resistance to rutting, cracking, and moisture damage, resulting in smoother and safer roads for motorists.

Benefits in Pavement Preservation

In pavement preservation treatments, Bitumen PG 70/28 plays a crucial role in extending the lifespan of existing asphalt surfaces. Through techniques such as chip sealing and micro surfacing, it helps seal cracks, prevent water infiltration, and rejuvenate worn-out pavements, ultimately reducing maintenance costs and traffic disruptions.

Environmental Sustainability

It is also recognized for its environmental sustainability. As a byproduct of crude oil refining, it offers a recycled solution for road construction, reducing the need for new raw materials and minimizing carbon footprint. Additionally, its durability contributes to long-term sustainability by reducing the frequency of road repairs and replacements.

Quality Assurance and Specifications

To ensure the consistent performance of Bitumen PG 70/28, it must adhere to stringent quality standards and specifications. Manufacturers carefully control factors such as penetration, softening point, and viscosity to meet the requirements of various climate conditions and traffic loads, ensuring optimal performance in every application.

Packaging Considerations

Proper packaging is essential to preserve the integrity of Bitumen PG 70/28. It is typically packaged in sturdy containers or drums to protect it from contamination, moisture, and temperature fluctuations during storage and transportation. Robust packaging materials ensure that the bitumen remains in prime condition until it is ready to be used in construction projects.

Specification of Bitumen PG 70/28

Description Unit Value Test Method
Average 7-day Max. Pavement Design Temp °C < 70 ASTM D6373
Minimum Pavement Design Temperature °C >-28 ASTM D6373
Flash Point Temp, T48: Minimum °C 230 ASTM D92
Viscosity Max. Test Temperature °C 135 ASTM D4402
Dynamic Shear, TP5:Min 1.00 kPa test temp@10rad/s °C 70 ASTM D6373
Mass Loss, Maximum, Percent % 1.00 ASTM D6
Dynamic Shear, TP5:Min 2.20 kPa test temp@10rad/s °C 70 ASTM D6373
PAV Aging Temperature 100/110
Dynamic Shear, TP5:Max 5000 kPa test temp@10rad/s °C 25
Creep Stiffness, TP1:S, Max 300.0MPa, Min0.300 test temp@60s °C -18 ASTM D6648
Direct Tension, TP3: Failure Strain, Min 1.0% test [email protected]/min °C -18


  ASTM D6723


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